/*
 * Copyright (C) 2007 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.eventbus;

import com.google.common.collect.Lists;
import java.util.List;
import javax.annotation.Nullable;
import junit.framework.Assert;

/**
 * A simple EventSubscriber mock that records Strings.
 *
 * For testing fun, also includes a landmine method that EventBus tests are required <em>not</em> to
 * call ({@link #methodWithoutAnnotation(String)}).
 *
 * @author Cliff Biffle
 */
public class StringCatcher {
    private List<String> events = Lists.newArrayList();

    @Subscribe
    public void hereHaveAString(@Nullable String string) {
        events.add(string);
    }

    public void methodWithoutAnnotation(@Nullable String string) {
        Assert.fail("Event bus must not call methods without @Subscribe!");
    }

    public List<String> getEvents() {
        return events;
    }
}
